/*
 * Copyright 2010 JooKar (info@jookar.nl)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package nl.jookar.gcodecommithook.handler;

import java.util.logging.Logger;

import javax.servlet.ServletRequest;

import nl.jookar.gcodecommithook.client.ProjectWriter;
import nl.jookar.gcodecommithook.handler.filter.PayloadFilter;
import nl.jookar.gcodecommithook.handler.filter.*;
import nl.jookar.gcodecommithook.model.Commit;

import com.google.gson.Gson;
import com.google.gson.JsonParseException;

/**
 * @author Joost A. Bloemsma
 *
 */
public class RequestHandler {
	private static final Logger LOG = Logger.getLogger(RequestHandler.class.getName());
	public static void handleRequest(ServletRequest req) throws HandlerException {
		PayloadFilter filter = new RealFilter();
		String payLoad = filter.getPayLoad(req);
		Commit c = null;
		Gson gson = new Gson();
		try {
			c = gson.fromJson(payLoad, Commit.class);
		} catch (JsonParseException e) {
			LOG.warning(e.getMessage());
			LOG.warning("Error parsing JSON data: " + payLoad);
			throw new HandlerException(HandlerException.REQUESTERROR,"Could not parse JSON data",e);
		}
		
		try {
			ProjectWriter.processCommit(c);
		} catch (Exception e) {
			LOG.warning(e.getMessage());
			throw new HandlerException(HandlerException.SERVERERROR,"Error processing the commit data: " + e.getMessage(),e);
		}
		
	}
}
